2645266 has 8 divisors (see below), whose sum is σ = 4273164. Its totient is φ = 1220880.

The previous prime is 2645263. The next prime is 2645267. The reversal of 2645266 is 6625462.

It can be written as a sum of positive squares in 2 ways, for example, as 1879641 + 765625 = 1371^2 + 875^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2645263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50845 + ... + 50896.

2^2645266 is an apocalyptic number.

2645266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2645266 is a deficient number, since it is larger than the sum of its proper divisors (1627898).

2645266 is a wasteful number, since it uses less digits than its factorization.

2645266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101756.

The product of its digits is 17280, while the sum is 31.

The square root of 2645266 is about 1626.4273731095. The cubic root of 2645266 is about 138.3002982357.

The spelling of 2645266 in words is "two million, six hundred forty-five thousand, two hundred sixty-six".